Contents Page

Preface............................................................................................................................v

Acknowledgements..........................................................................................................................vii

A unified approach to some recent developmentsin jet noise theory

M.E. Goldstein ..........................................................................................1

The source of Aerodynamic NoiseGeoffrey M. Lilley..............................................................................19

Aeroacoustics of supersonic jet issued from corrugatednozzle: new approach and prospects

Victor F. Kopiev, Nikolay N. Ostrikov,Sergey A. Chernyshev and John W. Elliott ..................33

Simulations of supersonic jet noisePhilip J. Morris, Lyle N. Long, Thomas E. Scheideggerand Said Boluriaan............................................................................67

Coupling of integral acoustics methods with LES for jetnoise prediction

Ali Uzun, Anastasios S. Lyrintzisand Gregory A. Blaisdell ............................................................95

Noise prediction for increasingly complex jets.Part I: Methods and tests

Michael L. Shur, Philippe R. Spalart and Michael Kh.Strelets ....................................................................................................147

Jet Aeroacoustics

Part I: Analysis and Computations

Noise prediction for increasingly complex jets.Part II: Applications

Michael L. Shur, Philippe R. Spalart and Michael Kh.Strelets ....................................................................................................183

Analysis of jet-noise-reduction concepts by large-eddysimulation

Michael L. Shur, Philippe R. Spalart, Michael Kh.Strelets and Andrey V. Garbaruk......................................205

Investigation of the PSE approach for subsonic andsupersonic hot jets. Detailed comparisons with LES andLinearized Euler Equations results

Estelle Piot, Gregoire Casalis, Frederic Mullerand Christophe Bailly ..................................................................251

Vortex ring input in subsonic jet noiseVictor F. Kopiev, Mikhail Yu. Zaitsev, Sergey A.Chernyshev and Nikolay N. Ostrikov............................287

Ray traces through unsteady jet turbulenceJ. B. Freund and T. G. Fleischman ......................................319

Acoustic radiation from a semi-infinite duct with a subsonicjet

X. Zhang, X.X. Chen and C.L. Morfey............................335

Designing clean jet-noise facilities and making accuratejet-noise measurements

K. K. Ahuja............................................................................................353

Experimental study of the spectral properties of near-field and far-field jet noise

Christophe Bogey, Sebastien Barré, Vincent Fleury,Christophe Bailly and Daniel Juvé ..................................399

Coherent structures in subsonic jets: a quasi-irrotationalsource mechanism?

François Coiffet, Peter Jordan, Joël Delville,Yves Gervais and Fabienne Ricaud..................................419

Part II: Experiments and Applications

ii Contents

On the near field pressure of a transonicaxisymmetric jet

Lawrence S. Ukeiley and Michael K. Ponton..........439

Effect of nozzle internal contour on jet aeroacousticsK. Viswanathan and L. T. Clark............................................463

Acoustic and mean flow measurements of high-speed,helium-air mixture jets

Michael J. Doty and Dennis K. McLaughlin ..............497

Effects of vortex generating tabs on noise sources in anideally expanded Mach 1.3 jet

J. Hileman and M. Samimy ....................................................539

Sources......................................................................................................................569

Jet Aeroacoustics iii